This International Standard covers Class III requirements for centrifugal pumps of single stage, multistage, horizontal or vertical construction (coupled or close coupled) with any drive and any installation for general applications.
DS/EN ISO 9908/A1:2011 history
2011DS/EN ISO 9908/A1:2011 Technical specifications for centrifugal pumps - Class III - Amendment 1
1998DS/EN ISO 9908:1998 Technical specifications for centrifugal pump - Class III